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The symbol of p-n-p transistor is...

The symbol of p-n-p transistor is

A

B

C

D

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To identify the symbol of a p-n-p transistor, we can follow these steps: ### Step 1: Understand the Components of a PNP Transistor A p-n-p transistor consists of three regions: the emitter (P-type), the base (N-type), and the collector (P-type). ### Step 2: Identify the Symbol Structure The symbol for a p-n-p transistor is characterized by: - A vertical line representing the emitter. - A vertical line representing the collector. - A horizontal line representing the base. ### Step 3: Direction of Current Flow In the p-n-p transistor symbol, the arrow on the emitter indicates the direction of conventional current flow, which is from the emitter to the collector. ### Step 4: Draw the Symbol Based on the above characteristics, we can draw the symbol: - Draw a vertical line for the emitter with an arrow pointing towards the base. - Draw another vertical line for the collector. - Connect the base with a horizontal line. ### Step 5: Label the Parts Label the parts of the transistor: - Emitter (E) - Base (B) - Collector (C) ### Final Symbol Representation The final representation of the p-n-p transistor symbol will have the emitter on the left, the base in the middle, and the collector on the right, with the arrow on the emitter pointing towards the base. ---
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(i) Draw a circuit diagram to study the input and output characteristics of an n-p-n transistor in its common emitter configuration. Draw the typical input and output characteristics. (ii) Explain, with the hepl of a circuit diagram, the working of n-p-n transistor as a common emitter amplifier.

(a) Describe briefly the functions of the three segments of n-p-n transistor. (b) Draw the circuit arrangment for studying the output characterstics of n-p-n transistor in CE configuration. Explain how the output characterstics is obtained.

Knowledge Check

  • Assertion : Two p-n junction diodes placed back to back, will work as a n-p-n transistor. Reason: The p-region of two p-n junction diodes back to back will form the base of n-p-n transistor.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true not but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false
    D
    If both assertion and reason are false.
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    (a) Differentiate between three segments of a transistor on the basis of their size and level of doping. (b) How is a transistor biased to be in active state? (c) With the help of a necessary circuit diagram, describe briefly how n-p-n transistor in CE configuration amplifies a small sinusoidal input voltage. Write the expression for the ac current gain.

    Describe briefly with the help of a circuit diagram, how the flow of current carriers in a p-n-p transistor is regulated with emitter-base junction forward biased and base-collector junction reverse biased.

    The number of terminals in n-p-n transistor is

    Which of the following statement is true for a p-n-p transistor when used in an amplifier circuit?

    The circuit diagram below shows n-p-n transistor in CE configuration. For this configuration, mark the correct statement(s).

    A n-p-n transistor conducts when

    Statement-I : For faster action, n-p-n transistor is used Statement-II : In n-p-n transistor, the mobility of majority charge carries is more.